I found some other badly needed javascript methods today. Push (similiar to PHPs array_push function) and Join, which converts a simple array into a string. The Join method is great if you want to pass a dumb string to a server side language using an HTTP GET or POST.
Push
/* this can be defined as a global variable and then accessed by many different functions */
var myArr = new Array();
myArr.push("another element");
This simply adds another element to the end of the array.
Join
var myArr = new Array();
myArr[0] = "element 1";
myArr[1] = "element 2";
myArr[2] = "element 3";
var myStr = myArr.join(', ');
Now you have converted an array into a comma seperated string.
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